What is the use of exist in SQL?

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Tags

  1. #select
  2. #contains
  3. #query
  4. #value
  5. #result
  6. #exists
  7. #statement
  8. #insert
  9. #empty
  10. #update
  11. #nested
  12. #boolean
  13. #delete
  14. #whether
  15. #condition
  16. #correlated
  17. #check
  18. #false
  19. #tuples